Patents by Inventor Emi TABATA

Emi TABATA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Spark-ignition engine
    Patent number: 8453629
    Abstract: A spark-ignition engine comprises a plug hole (13) formed in a cylinder head (2), an ignition plug (10) and a plug cap (9) of the type integral with an ignition coil, which is attached to the ignition plug (10) as it is inserted into the plug hole (13). In this spark-ignition engine, the plug hole (13) is arranged at a position outside a head cover (5) in the cylinder head (2), a head surface (2a) of which is opened to provide the plug hole (13) and has a plug-cap attaching flange (11) attached thereto, and the plug-cap attaching flange (11) is formed with an extending cylinder-portion (15A) having an extension-hole (15) communicated with the plug hole (13). The plug cap (9), as it is inserted from the extension hole (15A) into the plug hole (13), has a coil portion (9C) fixed to the extending cylinder-portion (15).
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: June 4, 2013
    Assignee: Kubota Corporation
    Inventors: Keiichi Nakano, Toshihiko Teramoto, Wataru Okada, Emi Tabata
  • SPARK-IGNITION ENGINE
    Publication number: 20100242932
    Abstract: A spark-ignition engine comprises a plug hole (13) formed in a cylinder head (2), an ignition plug (10) and a plug cap (9) of the type integral with an ignition coil, which is attached to the ignition plug (10) as it is inserted into the plug hole (13). In this spark-ignition engine, the plug hole (13) is arranged at a position outside a head cover (5) in the cylinder head (2), a head surface (2a) of which is opened to provide the plug hole (13) and has a plug-cap attaching flange (11) attached thereto, and the plug-cap attaching flange (11) is formed with an extending cylinder-portion (15A) having an extension-hole (15) communicated with the plug hole (13). The plug cap (9), as it is inserted from the extension hole (15A) into the plug hole (13), has a coil portion (9C) fixed to the extending cylinder-portion (15).
    Type: Application
    Filed: March 11, 2010
    Publication date: September 30, 2010
    Applicant: KUBOTA CORPORATION
    Inventors: Keiichi NAKANO, Toshihiko TERAMOTO, Wataru OKADA, Emi TABATA